DEVICE FOR THE REMOVABLE INSTALLATION OF VIEWING DEVICES IN A MANHOLE COVER,申请号EP19860114448-传众专利搜索

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发明名称	DEVICE FOR THE REMOVABLE INSTALLATION OF VIEWING DEVICES IN A MANHOLE COVER
摘要
申请公布号	EP0230521(B1)	申请公布日期	1992.05.13
申请号	EP19860114448	申请日期	1986.10.18
申请人	DR.ING.H.C. F. PORSCHE AKTIENGESELLSCHAFT	发明人	HUESCH, THOMAS;KUESTERS, PETER, DIPL.-ING. (FH)
分类号	F41G1/40	主分类号	F41G1/40
代理机构		代理人
主权项
地址

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